Chatsworth, Illinois Weather
Heat settles and the rain begins. Day 89 of spring. Read this microseason across nine climate regions →
Chatsworth weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——76°55°—
- TuesdayJun 16Drizzle40%0.02″76°59°0°
- WednesdayJun 17T-storm w/ Hvy Hail91%0.31″80°55°+4°
- ThursdayJun 18Light Drizzle81%—70°57°-10°
- FridayJun 19Light Drizzle——71°55°+1°
- SaturdayJun 20Overcast——69°54°-2°
- SundayJun 21Light Showers46%0.31″67°60°-2°
AQI 43 (Good), driven by Ozone. AQI up 17 in the last 6 hours — air quality is degrading. Ozone at AQI 35 now. With UV 0.2 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 6 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 35 now. With UV 0.2 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 6 around 1 PM.
- Present
- AQI 35
- UV peak
- 0.2 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 6
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 6:34 AM
- Moonset
- 9:44 PM
- In sign
- ♋︎ Cancer
Heat settles and the rain begins
Chatsworth at a glance
- Today vs. normal: 72°F — typical for the season
- Last frost: April 20 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Chatsworth
- Mon76°55°0%
- Tue76°58°40%
- Wed80°55°91%
- Thu70°57°81%
- Fri71°55°6%
- Sat69°54°8%
- Sun67°60°46%
- Mon68°52°46%
- Tue72°52°13%
- Wed74°58°11%
- Thu81°67°18%
- Fri72°63°16%
- Sat72°62°35%
- Sun78°63°35%
- Mon78°67°35%
- Tue74°60°43%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 16, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Chatsworth
SPC has placed Chatsworth in the Enhanced Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWMRGLMarginal Risk
- DAY 3ENHEnhanced Risk
Numerous severe storms likely. Tornadoes, large hail, and damaging wind gusts possible across the area. Track NWS warnings if storms develop.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Chatsworth
- 60921